3.4.2 North Bridge Configuration
Primary Graphics Adapter
This item will switch the PCI Bus scanning order while searching for video card. It allows you to select the type of Primary VGA in case of multiple video controllers. The default value of this feature is [PCI Express]. Con- figuration options: [PCI] and [PCI Express].
IOMMU
Use this to enable or disable IOMMU. The default value of this feature is [Disabled].
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